curl --request GET \
  --url https://api.mesa.dev/v1/{org}/{repo}/upstream/syncs/{syncId} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "repo_id": "<string>",
  "attempt": 123,
  "ref_globs": {
    "branches": "<string>",
    "tags": "<string>"
  },
  "stats": {
    "refs": [
      {
        "name": "<string>",
        "before": "<string>",
        "after": "<string>"
      }
    ]
  },
  "error": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "started_at": "2023-11-07T05:31:56Z",
  "finished_at": "2023-11-07T05:31:56Z"
}